Function GetColorSpaceReferences

src/OpenColorIO/Config.cpp:176–207

Return the list of all color spaces referenced by the transform (including all sub-transforms in a group). All legal context variables are expanded, so if any are remaining, the caller may want to throw.

// a group). All legal context variables are expanded, so if any are remaining, the caller may want
// to throw.
void GetColorSpaceReferences(std::set<std::string> & colorSpaceNames,
                             const ConstTransformRcPtr & transform,
                             const ConstContextRcPtr & context)
{
    if(!transform) return;

    if(ConstGroupTransformRcPtr groupTransform = \
        DynamicPtrCast<const GroupTransform>(transform))
    {
        for(int i=0; i<groupTransform->getNumTransforms(); ++i)
        {
            GetColorSpaceReferences(colorSpaceNames, groupTransform->getTransform(i), context);
        }
    }
    else if(ConstColorSpaceTransformRcPtr colorSpaceTransform = \
        DynamicPtrCast<const ColorSpaceTransform>(transform))
    {
        colorSpaceNames.insert(context->resolveStringVar(colorSpaceTransform->getSrc()));
        colorSpaceNames.insert(context->resolveStringVar(colorSpaceTransform->getDst()));
    }
    else if(ConstDisplayViewTransformRcPtr displayViewTransform = \
        DynamicPtrCast<const DisplayViewTransform>(transform))
    {
        colorSpaceNames.insert(displayViewTransform->getSrc());
    }
    else if(ConstLookTransformRcPtr lookTransform = \
        DynamicPtrCast<const LookTransform>(transform))
    {
        colorSpaceNames.insert(lookTransform->getSrc());
        colorSpaceNames.insert(lookTransform->getDst());
    }
}

// Views are stored in two vectors of objects, using pointers to temporarily group them.
typedef std::vector<const View *> ViewPtrVec;